... for oil-field drillbits 1. Description: YG15 Good strength and less wear resistance, for bits of rotary hammerrockdrills and heavy rockdrills, for hard and very hard rocks. Our advantage of making tungsten carbide button bits is that...

Stainless Steel 304/316 Set Anchor With hex nut, washer Concrete Anchor Bolts Description: Anchors achieve holding power either by "hooking" into the seabed, or via sheer mass, or a combination of the two. Permanent moorings use large masses (commonly a ...

... / spherical Tungsten Carbide Tips for rockdrillingbit 1. Description: YG8C Mostly used as the buttons of small and medium sized percussion bits and as the inserts of rotary prospecting bits to cut soft and medium...

... Electric Coal Drill Keyword:electric coal drill; coal drill; portable drill Product Introduction This is a hand-held drill that can be used in in various mines such coal mine, marble mine, metal mine and rock layer...